Class FloatManager

java.lang.Object

com.openhtmltopdf.layout.FloatManager

public class FloatManager
extends Object

A class that manages all floated boxes in a given block formatting context. It is responsible for positioning floats and calculating clearance for non-floated (block) boxes.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	FloatManager.BoxDistance
static class	FloatManager.BoxOffset
static enum	FloatManager.FloatDirection
static interface	FloatManager.FloatOperation

Field Summary

Fields

Modifier and Type	Field	Description
private List<FloatManager.BoxOffset>	_leftFloats
private final Box	_master
private List<FloatManager.BoxOffset>	_rightFloats

Constructor Summary

Constructors

Constructor	Description
FloatManager(Box master)

Method Summary

Modifier and Type	Method	Description
private void	alignToLastFloat(CssContext cssCtx, BlockFormattingContext bfc, BlockBox current, FloatManager.FloatDirection direction)
private void	alignToLastOpposingFloat(CssContext cssCtx, BlockFormattingContext bfc, BlockBox current, FloatManager.FloatDirection direction)
private void	applyLineHeightHack(CssContext cssCtx, Box line, Rectangle bounds)
private int	calcDelta(CssContext cssCtx, LineBox line, FloatManager.BoxDistance boxDistance)
void	calcFloatLocations()
private void	calcFloatLocations(List<FloatManager.BoxOffset> floats)
void	clear(CssContext cssCtx, BlockFormattingContext bfc, Box box)
private int	findLowestY(CssContext cssCtx, List<FloatManager.BoxOffset> floats)
private boolean	fitsInContainingBlock(BlockBox current)
void	floatBox(LayoutContext c, Layer layer, BlockFormattingContext bfc, BlockBox box)
private List<FloatManager.BoxOffset>	getAddableFloats(FloatManager.FloatDirection direction)
int	getClearDelta(CssContext cssCtx, int bfcRelativeY)
private FloatManager.BoxDistance	getFloatDistance(CssContext cssCtx, BlockFormattingContext bfc, LineBox line, int containingBlockContentWidth, List<FloatManager.BoxOffset> floatsList, FloatManager.FloatDirection direction)
List<FloatManager.BoxOffset>	getFloats(FloatManager.FloatDirection direction)
Stream<FloatManager.BoxOffset>	getFloatStream(FloatManager.FloatDirection direction)
int	getLeftFloatDistance(CssContext cssCtx, BlockFormattingContext bfc, LineBox line, int containingBlockContentWidth)
Box	getMaster()
int	getNextLineBoxDelta(CssContext cssCtx, BlockFormattingContext bfc, LineBox line, int containingBlockContentWidth)
Point	getOffset(BlockBox floater)
private Point	getOffset(BlockBox floater, Stream<FloatManager.BoxOffset> floats)
private List<FloatManager.BoxOffset>	getOpposingFloats(FloatManager.FloatDirection direction)
int	getRightFloatDistance(CssContext cssCtx, BlockFormattingContext bfc, LineBox line, int containingBlockContentWidth)
private void	moveAllTheWayOver(BlockBox current, FloatManager.FloatDirection direction)
private void	moveClear(CssContext cssCtx, BlockFormattingContext bfc, Box current, List<FloatManager.BoxOffset> floats)
private void	moveFloatBelow(CssContext cssCtx, BlockFormattingContext bfc, Box current, List<FloatManager.BoxOffset> floats)
private boolean	overlaps(CssContext cssCtx, BlockFormattingContext bfc, BlockBox current, List<FloatManager.BoxOffset> floats)
void	performFloatOperation(FloatManager.FloatOperation op)
private void	performFloatOperation(FloatManager.FloatOperation op, List<FloatManager.BoxOffset> floats)
private void	position(CssContext cssCtx, BlockFormattingContext bfc, BlockBox current, FloatManager.FloatDirection direction)
void	removeFloat(BlockBox floater)
private void	removeFloat(BlockBox floater, List<FloatManager.BoxOffset> floats)
private void	save(BlockBox current, Layer layer, BlockFormattingContext bfc, FloatManager.FloatDirection direction)
private void	setFloats(FloatManager.FloatDirection direction, List<FloatManager.BoxOffset> list)

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

_leftFloats

private List<FloatManager.BoxOffset> _leftFloats

_rightFloats

private List<FloatManager.BoxOffset> _rightFloats

_master

private final Box _master

Constructor Details

FloatManager

public FloatManager(Box master)

Method Details

getAddableFloats

private List<FloatManager.BoxOffset> getAddableFloats(FloatManager.FloatDirection direction)

setFloats

private void setFloats(FloatManager.FloatDirection direction,
 List<FloatManager.BoxOffset> list)

floatBox

public void floatBox(LayoutContext c,
 Layer layer,
 BlockFormattingContext bfc,
 BlockBox box)

clear

public void clear(CssContext cssCtx,
 BlockFormattingContext bfc,
 Box box)

save

private void save(BlockBox current,
 Layer layer,
 BlockFormattingContext bfc,
 FloatManager.FloatDirection direction)

position

private void position(CssContext cssCtx,
 BlockFormattingContext bfc,
 BlockBox current,
 FloatManager.FloatDirection direction)

getFloats

public List<FloatManager.BoxOffset> getFloats(FloatManager.FloatDirection direction)

getFloatStream

public Stream<FloatManager.BoxOffset> getFloatStream(FloatManager.FloatDirection direction)

getOpposingFloats

private List<FloatManager.BoxOffset> getOpposingFloats(FloatManager.FloatDirection direction)

alignToLastFloat

private void alignToLastFloat(CssContext cssCtx,
 BlockFormattingContext bfc,
 BlockBox current,
 FloatManager.FloatDirection direction)

alignToLastOpposingFloat

private void alignToLastOpposingFloat(CssContext cssCtx,
 BlockFormattingContext bfc,
 BlockBox current,
 FloatManager.FloatDirection direction)

moveAllTheWayOver

private void moveAllTheWayOver(BlockBox current,
 FloatManager.FloatDirection direction)

fitsInContainingBlock

private boolean fitsInContainingBlock(BlockBox current)

findLowestY

private int findLowestY(CssContext cssCtx,
 List<FloatManager.BoxOffset> floats)

getClearDelta

public int getClearDelta(CssContext cssCtx,
 int bfcRelativeY)

overlaps

private boolean overlaps(CssContext cssCtx,
 BlockFormattingContext bfc,
 BlockBox current,
 List<FloatManager.BoxOffset> floats)

moveFloatBelow

private void moveFloatBelow(CssContext cssCtx,
 BlockFormattingContext bfc,
 Box current,
 List<FloatManager.BoxOffset> floats)

moveClear

private void moveClear(CssContext cssCtx,
 BlockFormattingContext bfc,
 Box current,
 List<FloatManager.BoxOffset> floats)

removeFloat

public void removeFloat(BlockBox floater)

removeFloat

private void removeFloat(BlockBox floater,
 List<FloatManager.BoxOffset> floats)

calcFloatLocations

public void calcFloatLocations()

calcFloatLocations

private void calcFloatLocations(List<FloatManager.BoxOffset> floats)

applyLineHeightHack

private void applyLineHeightHack(CssContext cssCtx,
 Box line,
 Rectangle bounds)

getNextLineBoxDelta

public int getNextLineBoxDelta(CssContext cssCtx,
 BlockFormattingContext bfc,
 LineBox line,
 int containingBlockContentWidth)

calcDelta

private int calcDelta(CssContext cssCtx,
 LineBox line,
 FloatManager.BoxDistance boxDistance)

getLeftFloatDistance

public int getLeftFloatDistance(CssContext cssCtx,
 BlockFormattingContext bfc,
 LineBox line,
 int containingBlockContentWidth)

getRightFloatDistance

public int getRightFloatDistance(CssContext cssCtx,
 BlockFormattingContext bfc,
 LineBox line,
 int containingBlockContentWidth)

getFloatDistance

private FloatManager.BoxDistance getFloatDistance(CssContext cssCtx,
 BlockFormattingContext bfc,
 LineBox line,
 int containingBlockContentWidth,
 List<FloatManager.BoxOffset> floatsList,
 FloatManager.FloatDirection direction)

getMaster

public Box getMaster()

getOffset

public Point getOffset(BlockBox floater)

getOffset

private Point getOffset(BlockBox floater,
 Stream<FloatManager.BoxOffset> floats)

performFloatOperation

private void performFloatOperation(FloatManager.FloatOperation op,
 List<FloatManager.BoxOffset> floats)

performFloatOperation

public void performFloatOperation(FloatManager.FloatOperation op)